Md 4 over Patuxent River & Town CR
Fair Condition49 years old28,338 vehicles/day
Location
| State | Maryland |
| County | Calvert |
| Location | On ST Marys Co Line |
| Carries | Md 4 |
| Crosses | Patuxent River & Town CR |
| Coordinates | 38.31861, -76.48491 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 7207.0 ft (2196.7 m) |
| Max Span | 451.1 ft (137.5 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 20868.7 sq m |
| Main Spans | 9 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 28,338 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100000040019010 |